// JavaScript Document
function openExternal(){
if(!document.getElementsByTagName) return;
var anchors = document.getElementsByTagName("a");
for(var i = 0; i < anchors.length; i++){
var thisAnchor = anchors[i];
if(thisAnchor.getAttribute("href") && thisAnchor.getAttribute("rel") == "external"){
thisAnchor.target = "_blank";
}
}
}

window.onload = openExternal;